Cover. What it means in a song is to keep the rest of the track of the song, cut out the playing or singing part and cover it with your own playing or singing, which is what we call a cover. It can also be understood as the original singer so-and-so. As long as you see a cover, you can understand that the song is a cover. Cover means covering, which is called cover in music. NetEase Cloud's approach is to safeguard the copyright of authors.